import Vue from 'vue'
import Router from 'vue-router'
import Login from './commponents/Login.vue'
import Home from './commponents/Home.vue'
import Welcome from './commponents/Welcome.vue'
import Users from './commponents/user/Users.vue'
import Rights from './commponents/power/Rights.vue'
import Roles from './commponents/power/Roles.vue'
import Cate from './commponents/goods/Cate.vue'
import Params from './commponents/goods/Params.vue'
import List from './commponents/goods/List.vue'
import Add from './commponents/goods/Add.vue'
import Order from './commponents/order/Order.vue'
import Report from './commponents/report/Report.vue'



Vue.use(Router)

const router = new Router({
    routes: [
        { path: '/', redirect: '/login' },
        { path: '/login', component: Login },
        {
            path: '/home',
            component: Home,
            redirect: '/welcome',
            children: [
                { path: '/welcome', component: Welcome },
                { path: '/users', component: Users },
                { path: '/rights', component: Rights },
                { path: '/roles', component: Roles },
                { path: '/categories', component: Cate },
                { path: '/params', component: Params },
                { path: '/goods', component: List },
                { path: '/goods/add', component: Add },
                { path: '/orders', component: Order },
                { path: '/reports', component: Report },
            ]
        }
    ]
})

router.beforeEach((to, from, next) => {
    // to将要访问的路径
    // form代表从哪个页面跳转而来
    // next 函数,表示放行
    if (to.path === '/login') return next();
    const tokenStr = window.sessionStorage.getItem('token');

    if (!tokenStr) return next('/login');
    next();
})
export default router